Chess South Africa
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Chess South Africa
Davids, W (Welesley)
Dob:
1900/01/01 (Adult)
Gender:
Male
Chess SA id:
1000099302
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2019/10/27 (1666 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1808.3
Curent Weighted rating
1522.3
Curent Weighted performance
544.5
Current official/published rating (highest between Raw, WR and WP)
1808.3
Current floor (min rating allowed)
1308.3
Current highest rating achieved
1808.3
Current K-factor
24
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±69.7
Current Raw change used (final)
0.0
Projected new Raw rating
1808.3
Projected new Weighed rating
1550.9
Projected new Weighted performance
544.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1808.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1808.3
Projected new floor
1308.3
Projected new K-facor
24
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1902.7
Curent Weighted rating
1550.9
Curent Weighted performance
540.6
Current official/published rating (highest between Raw, WR and WP)
1902.7
Current floor (min rating allowed)
1402.7
Current highest rating achieved
1902.7
Current K-factor
24
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±60.9
Current Raw change used (final)
0.0
Projected new Raw rating
1902.7
Projected new Weighed rating
1586.1
Projected new Weighted performance
540.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1902.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1902.7
Projected new floor
1402.7
Projected new K-facor
24
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1175.8
Curent Weighted rating
1175.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1175.8
Current floor (min rating allowed)
716.8
Current highest rating achieved
1216.8
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±171.6
Current Raw change used (final)
0.0
Projected new Raw rating
1175.8
Projected new Weighed rating
1175.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1175.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1216.8
Projected new floor
716.8
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
716.8
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
716.8
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
13
2019 Western Cape Club Championship (A+B)
2019/10/25
2019/10/27
Overberg (WOS)
Standard
65
0.85
6
6
1.0
1437.6
1461.5
Analysis
12
Mossel Bay Chess Open 2019 (A)
2019/10/04
2019/10/05
Eden District (WEG)
Standard
60
0.83
6
6
2.5
1437.6
1461.5
Analysis
11
Spring Open 2019 (Open)
2019/09/14
2019/09/14
Overberg (WOS)
Standard
60
0.83
5
5
3.5
1417.7
1447.7
Analysis
10
Eden Chess League 2019 (Premier)
2019/08/17
2019/08/24
Eden District (WEG)
Standard
100
0.96
5
5
2.5
1429.1
1467.5
Analysis
9
Oyster Rapid Chess Festival 2019
2019/06/30
2019/06/30
Eden District (WEG)
Rapid
25
0.54
6
6
3.5
1448.8
1216.8
Analysis
8
Western Cape Chess Club Championship Dec 2018
2018/12/08
2018/12/09
Eden District (WEG)
Standard
60
0.83
6
6
3.5
1433.4
1451.5
Analysis
7
Mossel Bay Open 2018 (A)
2018/09/28
2018/09/29
Eden District (WEG)
Standard
60
0.83
6
6
3.0
1393.8
1412.5
Analysis
6
Eden Chess League 2018 (Premier)
2018/08/18
2018/09/01
Eden District (WEG)
Standard
100
0.96
5
5
4.0
1393.8
1412.5
Analysis
5
Oyster Rapid 2018
2018/07/07
2018/07/07
Eden District (WEG)
Rapid
30
0.60
6
6
4.0
1387.8
1200.0
Analysis
4
Oudtshoorn Open 2018
2018/06/29
2018/06/30
Eden District (WEG)
Standard
60
0.83
6
5
2.0
1404.0
1437.5
Analysis
3
Pacaltsdorp Chess Club Open 2018 (A)
2018/05/25
2018/05/26
Eden District (WEG)
Standard
60
0.83
6
6
4.0
1294.6
1314.0
Analysis
2
Calitzdorp Ope 2018
2018/05/05
2018/05/05
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1294.6
1314.0
Analysis
1
Western Cape Club Championships 2018
2018/03/16
2018/03/17
Eden District (WEG)
Standard
60
0.83
6
6
6.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
73
37
13
23
43.5
59.6
81.5
1355.5
1437.0
White
36
21
8
7
25.0
69.4
165.3
1354.1
1519.3
Black
37
16
5
16
18.5
50.0
0.0
1356.9
1356.9
Standard
All
61
30
12
19
36.0
59.0
76.6
1376.1
1452.8
White
30
18
7
5
21.5
71.7
184.2
1359.3
1543.5
Black
31
12
5
14
14.5
46.8
-27.4
1392.3
1364.9
Rapid
All
12
7
1
4
7.5
62.5
106.3
1250.6
1356.9
White
6
3
1
2
3.5
58.3
70.8
1327.6
1398.4
Black
6
4
0
2
4.0
66.7
141.7
1173.7
1315.3
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
199036980
Swart, G (George)
3
2.0
1
2
0
66.7
1327.7
141.7
1469.3
View list
2
197000339
Agulhas, J (Justin)
3
1.5
0
3
0
50.0
1434.8
0.0
1434.8
View list
3
107089399
Jacobs, A (Aiden)
2
2.0
2
0
0
100.0
1438.9
425.0
1863.9
View list
4
147031319
Quirk, T (Terence)
2
2.0
2
0
0
100.0
1344.2
425.0
1769.2
View list
5
198065504
Jaars, T (Thomas)
2
1.5
1
1
0
75.0
1416.5
212.5
1629.0
View list
6
185022852
Meyer, PJ (Pravin)
2
1.0
1
0
1
50.0
1398.9
0.0
1398.9
View list
7
186005213
Coetzee, JS (Jurgen)
2
0.5
0
1
1
25.0
1349.3
-212.5
1136.8
View list
8
181084295
Botha, R (Ralph)
2
0.5
0
1
1
25.0
1415.7
-212.5
1203.2
View list
9
195014475
Joseph, C (Cohen-Lee)
2
0.5
0
1
1
25.0
1418.3
-212.5
1205.8
View list
10
107082959
Geduld, L (Lucian)
2
0.0
0
0
2
0.0
1438.9
-425.0
1013.9
View list
11
193002042
Bevie, ME (Marvin)
1
1.0
1
0
0
100.0
1294.6
425.0
1719.6
View list
12
106061659
Coetsee, W (Wilco)
1
1.0
1
0
0
100.0
1393.8
425.0
1818.8
View list
13
178005017
Cloete, R (Ralph)
1
1.0
1
0
0
100.0
1404.0
425.0
1829.0
View list
14
187004356
Chaava, A (Aaron)
1
1.0
1
0
0
100.0
1294.6
425.0
1719.6
View list
15
280010013
Bouah, D (Denise)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
174012236
Hendricks, G (Gerrit)
1
1.0
1
0
0
100.0
1387.8
425.0
1812.8
View list
17
103011765
Hanekom, W (Driaan)
1
1.0
1
0
0
100.0
1393.8
425.0
1818.8
View list
18
107083837
Daniels, R (Reuben)
1
1.0
1
0
0
100.0
1437.6
425.0
1862.6
View list
19
105046624
Crookes, J (Jonas)
1
1.0
1
0
0
100.0
1417.7
425.0
1842.7
View list
20
287094417
Conradie, M (Magda)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list